org.apache.poi.hssf.usermodel.HSSFClientAnchor Maven / Gradle / Ivy
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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
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http://www.apache.org/licenses/LICENSE-2.0
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distributed under the License is distributed on an "AS IS" BASIS,
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See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hssf.usermodel;
import org.apache.poi.ss.usermodel.ClientAnchor;
/**
* A client anchor is attached to an excel worksheet. It anchors against a
* top-left and buttom-right cell.
*
* @author Glen Stampoultzis (glens at apache.org)
*/
public final class HSSFClientAnchor extends HSSFAnchor implements ClientAnchor {
short col1;
int row1;
short col2;
int row2;
int anchorType;
/**
* Creates a new client anchor and defaults all the anchor positions to 0.
*/
public HSSFClientAnchor()
{
}
/**
* Creates a new client anchor and sets the top-left and bottom-right
* coordinates of the anchor.
*
* @param dx1 the x coordinate within the first cell.
* @param dy1 the y coordinate within the first cell.
* @param dx2 the x coordinate within the second cell.
* @param dy2 the y coordinate within the second cell.
* @param col1 the column (0 based) of the first cell.
* @param row1 the row (0 based) of the first cell.
* @param col2 the column (0 based) of the second cell.
* @param row2 the row (0 based) of the second cell.
*/
public HSSFClientAnchor( int dx1, int dy1, int dx2, int dy2, short col1, int row1, short col2, int row2 )
{
super( dx1, dy1, dx2, dy2 );
checkRange(dx1, 0, 1023, "dx1");
checkRange(dx2, 0, 1023, "dx2");
checkRange(dy1, 0, 255, "dy1");
checkRange(dy2, 0, 255, "dy2");
checkRange(col1, 0, 255, "col1");
checkRange(col2, 0, 255, "col2");
checkRange(row1, 0, 255 * 256, "row1");
checkRange(row2, 0, 255 * 256, "row2");
this.col1 = col1;
this.row1 = row1;
this.col2 = col2;
this.row2 = row2;
}
/**
* Calculates the height of a client anchor in points.
*
* @param sheet the sheet the anchor will be attached to
* @return the shape height.
*/
public float getAnchorHeightInPoints(HSSFSheet sheet )
{
int y1 = getDy1();
int y2 = getDy2();
int row1 = Math.min( getRow1(), getRow2() );
int row2 = Math.max( getRow1(), getRow2() );
float points = 0;
if (row1 == row2)
{
points = ((y2 - y1) / 256.0f) * getRowHeightInPoints(sheet, row2);
}
else
{
points += ((256.0f - y1) / 256.0f) * getRowHeightInPoints(sheet, row1);
for (int i = row1 + 1; i < row2; i++)
{
points += getRowHeightInPoints(sheet, i);
}
points += (y2 / 256.0f) * getRowHeightInPoints(sheet, row2);
}
return points;
}
private float getRowHeightInPoints(HSSFSheet sheet, int rowNum)
{
HSSFRow row = sheet.getRow(rowNum);
if (row == null) {
return sheet.getDefaultRowHeightInPoints();
}
return row.getHeightInPoints();
}
public short getCol1()
{
return col1;
}
public void setCol1( short col1 )
{
checkRange(col1, 0, 255, "col1");
this.col1 = col1;
}
public void setCol1( int col1 ){
setCol1((short)col1);
}
public short getCol2()
{
return col2;
}
public void setCol2( short col2 )
{
checkRange(col2, 0, 255, "col2");
this.col2 = col2;
}
public void setCol2( int col2 ){
setCol2((short)col2);
}
public int getRow1()
{
return row1;
}
public void setRow1( int row1 )
{
checkRange(row1, 0, 256 * 256, "row1");
this.row1 = row1;
}
public int getRow2()
{
return row2;
}
public void setRow2( int row2 )
{
checkRange(row2, 0, 256 * 256, "row2");
this.row2 = row2;
}
/**
* Dets the top-left and bottom-right
* coordinates of the anchor.
*
* @param x1 the x coordinate within the first cell.
* @param y1 the y coordinate within the first cell.
* @param x2 the x coordinate within the second cell.
* @param y2 the y coordinate within the second cell.
* @param col1 the column (0 based) of the first cell.
* @param row1 the row (0 based) of the first cell.
* @param col2 the column (0 based) of the second cell.
* @param row2 the row (0 based) of the second cell.
*/
public void setAnchor( short col1, int row1, int x1, int y1, short col2, int row2, int x2, int y2 )
{
checkRange(dx1, 0, 1023, "dx1");
checkRange(dx2, 0, 1023, "dx2");
checkRange(dy1, 0, 255, "dy1");
checkRange(dy2, 0, 255, "dy2");
checkRange(col1, 0, 255, "col1");
checkRange(col2, 0, 255, "col2");
checkRange(row1, 0, 255 * 256, "row1");
checkRange(row2, 0, 255 * 256, "row2");
this.col1 = col1;
this.row1 = row1;
this.dx1 = x1;
this.dy1 = y1;
this.col2 = col2;
this.row2 = row2;
this.dx2 = x2;
this.dy2 = y2;
}
/**
* @return true if the anchor goes from right to left.
*/
public boolean isHorizontallyFlipped()
{
if (col1 == col2) {
return dx1 > dx2;
}
return col1 > col2;
}
/**
* @return true if the anchor goes from bottom to top.
*/
public boolean isVerticallyFlipped()
{
if (row1 == row2) {
return dy1 > dy2;
}
return row1 > row2;
}
/**
* Gets the anchor type
*
* 0 = Move and size with Cells, 2 = Move but don't size with cells, 3 = Don't move or size with cells.
*/
public int getAnchorType()
{
return anchorType;
}
/**
* Sets the anchor type
*
* 0 = Move and size with Cells, 2 = Move but don't size with cells, 3 = Don't move or size with cells.
*/
public void setAnchorType( int anchorType )
{
this.anchorType = anchorType;
}
private void checkRange( int value, int minRange, int maxRange, String varName )
{
if (value < minRange || value > maxRange)
throw new IllegalArgumentException(varName + " must be between " + minRange + " and " + maxRange);
}
}